The USV Mariner (right) deployed a refueling probe towards the USV Ranger (left) in the 2024 first test of fueling at sea (FAS) without any human interaction required on the part of the receiving vessel as a test for the DARPA’s NOMARS program. Personnel aboard the Ranger were observers only. (Photo: DARPA)
By Rich Abott |
@ReaderRabott
2 seconds ago |
01/03/2025
Defense Advance Research Projects Agency (DARPA) Navy/USMC unmanned systems

The Defense Advanced Research Projects Agency (DARPA) recently completed the successful initial test of at-sea refueling for unmanned surface vessels (USVs) as part of its No Manning Required Ship (NOMARS) program.

A Dec. 19 DARPA release said this refueling…

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